Topical Terminology > T2* ("T-two-star")
1 Definition
T2* ("T-two-star")
For T2* ("T-two-star") we have a term and definition in MRI.
T2* ("T-two-star") (MRI) 
The time constant for loss of phase coherence among spins oriented at an angle to the static magnetic field due to a combination of magnetic field inhomogeneities and the spin-spin relaxation. Results in a rapid loss of transverse magnetization and the MRI signal.T2* < T2.
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